All good points, Gary---Thanks!
Like all said above. Meat is different, Age of the hog, what breed, fed, processed, etc. Also the thickness of the butt, example: you have two butts, one that is 6" thick and one that is 4" thick
Just like a steak the thinner one will cook the quickest.
Gary
Plus the Gender of the Pig-------You know how "ornery" a Female can be.
Bear